FIM Latin American Superbike Champion and FMV Venezuelan Superbike Champion Robertino Pietri finished 4th in the AMA Superstock race at Miller Motorsports Park Sunday, riding a Roadracingworld.com Suzuki GSX-R1000 on Pirelli tires. Colombian Martin Cardenas finished third in the AMA Supersport race Saturday, riding an M4 EMGO Suzuki GSX-R600 on Pirelli tires. Former (and two-time) FMV Venezuelan Superbike Champion Fernando Amantini finished 25th in the AMA Supersport race Saturday, riding a Kawasaki ZX-6R on Dunlop tires.